Commit b0a32b757958a4d898b61bda02514613f48f8d2d

Authored by Gao Pan
1 parent 54b96f806b

MLK-16191 arm: dts: add i2c bus recovery for imx6qp-sdb board

Add i2c bus recovery support to recover i2c2 bus from dead lock status.

Signed-off-by: Gao Pan <pandy.gao@nxp.com>

Showing 1 changed file with 11 additions and 1 deletions Side-by-side Diff

arch/arm/boot/dts/imx6qdl-sabresd.dtsi
... ... @@ -423,8 +423,11 @@
423 423  
424 424 &i2c2 {
425 425 clock-frequency = <100000>;
426   - pinctrl-names = "default";
  426 + pinctrl-names = "default", "gpio";
427 427 pinctrl-0 = <&pinctrl_i2c2>;
  428 + pinctrl-1 = <&pinctrl_i2c2_gpio>;
  429 + scl-gpios = <&gpio4 12 GPIO_ACTIVE_HIGH>;
  430 + sda-gpios = <&gpio4 13 GPIO_ACTIVE_HIGH>;
428 431 status = "okay";
429 432  
430 433 egalax_ts@04 {
... ... @@ -725,6 +728,13 @@
725 728 fsl,pins = <
726 729 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
727 730 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
  731 + >;
  732 + };
  733 +
  734 + pinctrl_i2c2_gpio: i2c2_gpio_grp {
  735 + fsl,pins = <
  736 + MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x1b0b0
  737 + MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x1b0b0
728 738 >;
729 739 };
730 740